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Please use this identifier to cite or link to this item: http://apo.ansto.gov.au/dspace/handle/10238/5686

Title: Real-time investigation of the structural evolution of electrodes in a commercial lithium-ion battery containing a V-added LiFePO4 cathode using in-situ neutron powder diffraction
Authors: Hu, CW
Sharma, N
Chiang, CY
Su, HC
Peterson, VK
Hsieh, HW
Lin, YF
Chou, WC
Shew, BY
Lee, CH
Keywords: Iron Phosphates
Neutron Diffraction
Vanadium
Lithium Ion Batteries
Cathodes
Phase Transformations
Issue Date: 15-Dec-2013
Publisher: Elsevier Science BV
Citation: Hu, C. W., Sharma, N., Chiang, C. Y., Su, H. C., Peterson, V. K., Hsieh, H. W., Lin, Y. F., Chou, W. C., Shew, B. Y., & Lee, C. H. (2013). Real-time investigation of the structural evolution of electrodes in a commercial lithium-ion battery containing a V-added LiFePO4 cathode using in-situ neutron powder diffraction [Special Issue]. Journal of Power Sources, 244, 158-163.
Abstract: In-situ neutron powder diffraction was employed to investigate the structural evolution of the electrode materials in a commercial lithium-ion battery used for electric buses in Taiwan. The battery, containing a vanadium-added LiFePO4 cathode, does not exhibit a delayed phase transition between LiFePO4 (triphylite) and FePO4 (heterosite) suggesting that the delayed phase transition can be suppressed through the use of vanadium-added LiFePO4 cathodes, which also enhances the capacity and prolongs the cycle life of these batteries. Furthermore, we characterize the readily reversible structural change of the anode (LixC6 where 0 < x <= 1) and correlate this to battery voltage. © 2013, Elsevier Ltd.
URI: http://dx.doi.org/10.1016/j.jpowsour.2013.02.074
http://apo.ansto.gov.au/dspace/handle/10238/5686
ISSN: 0378-7753
Appears in Collections:Journal Articles

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